According to the Orange County Coroner, a 33-year-old woman and a 9-year-old girl were injured on a freeway in Garden Grove shortly before 1 a.m. on New Year’s Day.
The Coroner does not report how the two were injured, or whether they were in a vehicle or on foot.
The child died at the scene of the incident.
The woman died about an hour later after being transported to UC Irvine Medical Center in Orange.
The Westminster office of the California Highway Patrol is investigating the incident.